CVE-2025-6033: NI Circuit Design Suite · - Out of Bounds Write
Affects NI Circuit Design SuiteSource CVE Database V5
Not known to be exploited · CVSS 7.8 High.
Data as of 26 Oct 2026, 12:29 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 7% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 30 Sep 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| NI Circuit Design Suite | Affected
| Fixed in– |
AI-suggested
- Immediately restrict or monitor the use of NI Circuit Design Suite, especially the SymbolEditor component, until patches are available.
- Educate users to avoid opening .sym files from untrusted or unknown sources to reduce the risk of social engineering attacks.
- Implement application whitelisting and sandboxing for NI Circuit Design Suite to contain potential exploitation attempts.
- Employ endpoint detection and response (EDR) solutions to monitor for anomalous behavior indicative of exploitation, such as unexpected memory writes or process injections.
- Network segmentation should be used to limit the spread of potential compromises originating from affected workstations.
- Regularly back up critical design files and maintain version control to mitigate data loss or tampering.
- Monitor vendor communications closely for patches or updates and apply them promptly once available.
- Consider deploying file scanning solutions to detect and block malicious .sym files at email gateways or file servers.
Description
There is a memory corruption vulnerability due to an out of bounds write in XML_Serialize() when using SymbolEditor in NI Circuit Design Suite. This vulnerability may result in information disclosure or arbitrary code execution. Successful exploitation requires an attacker to get a user to open a specially crafted .sym file. This vulnerability affects NI Circuit Design Suite 14.3.1 and prior versions.